Trends in Dietary Supplement Use Among US Adults From 1999-2012.

ABSTRACT:

Importance

Dietary supplements are commonly used by US adults; yet, little is known about recent trends in supplement use.

Objective

To report trends in dietary supplement use among US adults.

Design, setting, and participants

Serial cross-sectional study using nationally representative data from the National Health and Nutrition Examination Survey (NHANES) collected between 1999 and 2012. Participants include noninstitutionalized adults residing in the United States, surveyed over 7 continuous 2-year cycles (sample size per cycle, 4863 to 6213).

Exposures

Calendar time, as represented by NHANES cycle.

Main outcomes and measures

In an in-home interview, participants were queried on use of supplements in the preceding 30 days to estimate the prevalence of

SUBMITTER: Kantor ED 

PROVIDER: S-EPMC5540241 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature